Mobile OS Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Mobile OS Interview Questions

Questions Answers Views Company eMail

What’s the difference between an “app id” and a “bundle id” and what is each used for?

878

What is a category and when is it used?

893

What are “strong” and “weak” references? Why are they important and how can they be used to help control memory management and avoid memory leaks?

773

What are the limits of accessibility ?

852

Explain the characteristics of ios?

812

Explain place holder constraint

782

Explain differences between foundation and corefoundation

837

What is auto-layout?

909

What is the difference between let and var in swift?

913

What is the difference between atomic and non-atomic properties? Which is the default for synthesized properties? When would you use one over the other?

757

Explain the difference between copy and retain?

932

What is the difference between synchronous & asynchronous task ?

909

Why do you generally create a weak reference when using self in a block?

874

what’s accessibilityhint?

848

What is made up of nserror object?

852

Un-Answered Questions { Mobile OS }

Lists life cycle methods of android activity?

919

What folders are impotent in android project?

1118

How does the activity respond when the user rotates the screen?

917

What is trusty ubuntu?

760

What is suspended state in ios?

836

What is router? Explain components of routers.

946

Is .bmp format supported?

892

What is listactivity?

969

What are methods in swift?

764

Should we jump in to android? What is the guarantee that’s what I will see on a phone? Will service providers turn off things?

1036

Difference between coredata & sqlite?

941

What is delegation pattern in ios?

748

Explain me what is a contentprovider and what is it typically used for?

893

Can I get weather for my location?

969

Why ios is faster than android?

949

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